diff --git a/mode/sieve/sieve.js b/mode/sieve/sieve.js
index f67db2f5531b0c524fea1ab8e09ed8b86bcd6548..0920d0bab323bda6bf3af62569fd3e757b75069b 100644
--- a/mode/sieve/sieve.js
+++ b/mode/sieve/sieve.js
@@ -170,7 +170,7 @@ CodeMirror.defineMode("sieve", function(config) {
       if (stream.eatSpace())
         return null;
 
-      return (state.tokenize || tokenBase)(stream, state);;
+      return (state.tokenize || tokenBase)(stream, state);
     },
 
     indent: function(state, _textAfter) {